cbt: add page (#9563)

* add cbt command page and examples

* add colons

* linter edits

* couple more edits

* fam1,qual1,etc

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

* Update pages/common/cbt.md

pages/common/cbt.md

@@ -0,0 +1,28 @@
+# cbt
+
+> Utility for reading data from Google Cloud's Bigtable.
+> More information: <https://cloud.google.com/bigtable/docs/cbt-reference>.
+
+- List tables in the current project:
+
+`cbt ls`
+
+- Print count of rows in a specific table in the current project:
+
+`cbt count "{{table_name}}"`
+
+- Display a single row from a specific table with only 1 (most recent) cell revision per column in the current project:
+
+`cbt lookup "{{table_name}}" "{{row_key}}" cells-per-column={{1}}`
+
+- Display a single row with only specific column(s) (omit qualifier to return entire family) in the current project:
+
+`cbt lookup "{{table_name}}" "{{row_key}}" columns="{{family1:qualifier1,family2:qualifier2,...}}"`
+
+- Search up to 5 rows in the current project by a specific regex pattern and print them:
+
+`cbt read "{{table_name}}" regex="{{row_key_pattern}}" count={{5}}`
+
+- Read a specific range of rows and print only returned row keys in the current project:
+
+`cbt read {{table_name}} start={{start_row_key}} end={{end_row_key}} keys-only=true`